CHAPTER
4
Oracle Grid Infrastructure
Oracle has a long tradition of investing in cluster technologies as a deeply integrated core component, and not as add-on or afterthought. The capability to have a single copy of a database available on more than one server is still an unrivaled technology more than a decade after the initial release of RAC.
The basic technologies behind Real Application Clusters are
Storage that is shared between two or more servers, allowing each server concurrent access to the same data blocks. Storage devices traditionally ...
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